MODAPP-210

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11699 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_fifo/mod_fifo.c

@@ -1929,6 +1929,11 @@ SWITCH_STANDARD_API(fifo_member_api_function)
 	int argc;
 	time_t expires = 0;
 
+	if (switch_strlen_zero(cmd)){
+		stream->write_function(stream, "-USAGE: %s\n", FIFO_MEMBER_API_SYNTAX);
+		return SWITCH_STATUS_SUCCESS;
+	}
+
 	mydata = strdup(cmd);
 	switch_assert(mydata);